[    2.221119] ip (190) used greatest stack depth: 12264 bytes left
[   23.369344] ip (1887) used greatest stack depth: 12056 bytes left
[   61.483521] ip (4628) used greatest stack depth: 12008 bytes left
[   71.665589] ip (4825) used greatest stack depth: 11992 bytes left
[  566.312075] pm_nl_ctl (26411) used greatest stack depth: 11912 bytes left